Journal
BIORESOURCE TECHNOLOGY
Volume 363, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2022.127882
Keywords
Fuel ethanol; Food waste; Minimum selling price; Sensitivity analysis; Techno-economic evaluation
Funding
- National Key Re-search and Develop-ment Program-International Cooperation Project of China [2019YFE0124600]
- Zhejiang Education Department and Research Foundation from Hangzhou Dianzi University [2021R407075]
- National innovation and entrepreneurship training program for College Students [202110336010]
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In this study, the techno-economic feasibility of fuel ethanol production from food waste using enzymatic hydrolysis and fermentation was evaluated. The plant was found to be economically viable with a payback time of 5 years and an internal rate of return below 29.8%. The price of fuel ethanol and the food waste treatment fee were identified as the most important factors affecting the economic performance of the plant.
In this study, fuel ethanol production from food waste using enzymatic hydrolysis and fermentation was evaluated from techno-economic viewpoint. The plant was designed with a capacity of 10 t/d food waste and a lifetime of 15-year. The total capital cost, annual operation cost and annual net profits of the plant were US$ 367,552, US$ 155,959 and US$ 74,995.57, respectively. The plant was economically viable as long as the internal rate of return remained below 29.8%. The shortest payback time was 5 years with discount rate of 5%. The price of fuel ethanol and food waste treatment fee were the most important variables for the economic performance of the plant by sensitivity analysis. This work could provide the basic knowledge for techno-economic analysis of food waste treatment and promote the industrial production of fuel ethanol.
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